What was found
APU SHUT DOWN ON ITS OWN. FAULT LIGHT ON. FOUND LARGE CRACK IN APU GENERATOR CASING, CAUSING APU OIL LOSS. APU GENERATOR REPLACED AS PER AMM, ALL CHECKED OKAY.
- Difficulty date
- February 17, 2012
- Submitted
- February 23, 2012
- Operation
- Air carrier
- Aircraft
- N648UA
- Make and model
- Boeing 767322
- Aircraft serial
- 25285
- Aircraft time
- 82,790 hours, 13,292 cycles
- Engine
- Pwa PW4060
- System (JASC)
- 2421 · AC Generator-Alternator
- Part
- Generator
- Part number
- S281700137
- Part serial
- 1456
- Condition
- Cracked
- Location
- Apu
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.